"Rather than a harbinger of a purge, Feinstein is a special case because her politics have become so out of step with her constituents and even Democrats nationally. 'I support Nancy Pelosi and Kamala Harris, and I don’t support Dianne Feinstein,' said Congressman Ro Khanna, a fellow California Democrat who has been advocating for a Feinstein challenge. 'I think there are very specific reasons that a primary challenge to Diane Feinstein in California is called for.'”